CVE-2021-37128 : Security Advisory and Response
Learn about CVE-2021-37128, a Path Traversal vulnerability in Huawei's HarmonyOS 2.0. Understand the impact, affected systems, exploitation, and mitigation steps.
This article provides an overview of CVE-2021-37128, a Path Traversal vulnerability in Huawei's HarmonyOS affecting version 2.0.
Understanding CVE-2021-37128
CVE-2021-37128 is a security vulnerability found in Huawei's HarmonyOS, specifically in the HwPCAssistant component. The vulnerability allows an attacker to perform Path Traversal, potentially leading to unauthorized file writes.
What is CVE-2021-37128?
CVE-2021-37128 is a Path Traversal vulnerability in HarmonyOS 2.0, which, if exploited successfully, can enable an attacker to write to any file on the affected system.
The Impact of CVE-2021-37128
The exploitation of this vulnerability can have severe consequences, including unauthorized modification of critical system files, compromising data integrity, and facilitating further attacks on the system.
Technical Details of CVE-2021-37128
This section covers the specifics of the vulnerability.
Vulnerability Description
The vulnerability in HwPCAssistant allows malicious actors to traverse file paths and potentially write files on the target system, leading to unauthorized modifications.
Affected Systems and Versions
HarmonyOS version 2.0 is confirmed to be affected by CVE-2021-37128, posing a risk to users of this specific version of the operating system.
Exploitation Mechanism
Attackers can exploit the Path Traversal flaw in HwPCAssistant to navigate through directories and write files, gaining unauthorized access and potentially compromising the system.
Mitigation and Prevention
Protecting systems from CVE-2021-37128 requires immediate action and long-term security practices.
Immediate Steps to Take
Users should apply security patches provided by Huawei promptly to mitigate the risk of exploitation. Additionally, restrict access to sensitive files and directories.
Long-Term Security Practices
Implementing strict file permission policies, conducting regular security audits, and educating users on safe computing practices can enhance overall system security.
Patching and Updates
Regularly update HarmonyOS to the latest versions and apply security patches as soon as they are available to stay protected against known vulnerabilities.